DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works
Transaction details
APITransaction action
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SURIGAO DEL SUR 2N Award a ₱27.9M contract to CONCEPCION BASIC BUILDERS, INC.National agencies
Transaction hash:
7afe90db1cb2aaab18ec994131f315bc3ad9b8da6ff8e47211fefa7b9c12a9cb
Status:
Included and unchanged
Block:
#4,014 1,999 blocks after it
Position in block:
Transaction 299 of 608
Award day:
Feb 3, 2020 (6 yrs 9 mo ago)
Value:
₱27,928,805.51
Project:
20NI0015
Full record:
Accountability
Bill Sec. 3 and 19Responsible agency:
Accountable officer:
Not stated in the source. PhilGEPS does not publish who certified the award.
Certification:
Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.
Demo signature:
Block #4,014 signature valid Demo key, proves nothing about the governmentPublic key
Linked records: from budget to payment
Bill Sec. 5- 1. AppropriationGAA line item · Sec. 5(b)DPWH lists the funding source as "Regular Infra - GAA 2020 OO-2", i.e. the FY2020 GAA. The exact UACS line is not given.Partly
- 2. Allotment releaseSARO / allotment · Sec. 5(c)(iii)Not published per project. DBM releases SAROs, but not linked to individual contracts.Not published
- 3. Cash allocationNotice of Cash Allocation · Sec. 5(c)(iv)Not published per project.Not published
- 4. Contract awardNotice of Award (PhilGEPS) · Sec. 5(d)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SURIGAO DEL SUR 2N awarded it to CONCEPCION BASIC BUILDERS, INC. on 2020-02-03.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20NI0015: Completed, 100% physical progress.Found
- 6. PaymentDisbursement voucher · Sec. 5(c)(viii)Not published. No public source shows how much of this contract has been paid.Not published
- 7. CompletionCertificate of completion · Sec. 5(d)DPWH marks the contract "Completed" (end 2020-12-23). The certificate itself is not published.Partly
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 2 partly. Under CADENA every step would be published within 7 working days and linked to this record.
Tamper test: try changing this record
DemoEdit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.
- 1. Record fingerprint changedstored 7afe90db1c…12a9cbnow …
- 2. Block Merkle root changedstored 2ab1669a7a…bf68a2now …
- 3. Block #4014 hash changedstored a07bf23c15…6a6a0enow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 607 records. Each step hashes the current value together with the sibling shown.
- leaf 7afe90db1cb2aaab18ec994131f315bc3ad9b8da6ff8e47211fefa7b9c12a9cb
- 01 L 7a9ed91c8b3262c8099a8198002bf47b3a723abcfc6c09e11bc6b34a7a89c35a
- 02 L 97cf4f40eade2f8d29448ec1d874cd8e0a6848926d3bd520d2b0a007b6902f82
- 03 R ebafe03afbfa0073dd24af012b6f3b4ddeec4e8c26f6f37aed65872788e4508a
- 04 L fc635e4337b53ccee572d762fb2fad8a780766d3870c73e3a22e18300bb33d26
- 05 R 2e833a9ce43c566216b9b4b28807759501218f22a27de100efa1947f154538d9
- 06 L cdc1cd3335cc098f668c73afd0b689ec1413e53539239442c4cc23a1c86edec1
- 07 R f725cabef63bb15f284d2585ffea4757aece273343d81bdaa10b41a15f91ed54
- 08 R 703cdbecead1c72716034cbd1da20d2defc8c88cd1e94af886f2473ca5c1c088
- 09 L 427cde4ea5239e1de5bfeb905ad75c723c9bccf6f471c40b184f6ed7e4731419
- 10 R 0047ebd075782419e0d04cabc88a41a83fb7ef8e5268b0dc97fa177f25b9c49e
- root 2ab1669a7a5de2b5ad78686bf08d8d9a13c7dc834ede66db19711eb69fbf68a2